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Inserted text in greenWWWM HEADERS_END [[[> IMG:Euler2.jpgIMG:Euler.jpg ]]] Leonhard Euler (pronounced "Oiler") (1707-1783) was a Swiss mathematician who made contributions to fields as diverse as calculus, topology, mechanics, optics and astronomy. He is also credited with inventing GraphTheory.

He was involved in work to solve the greatest problem of the age - the Longitude problem - and is regarded by some as the most prolific mathematician ever to have lived.

Others dispute that, pointing instead at Paul Erdos, but while Erdos published more papers, Euler published more pages. Pierre-Simon Laplace said: "Read Euler, read Euler, he is a master for us all."

---- One of the Famous People on this site.

---- !!! Further reading You can read more on Wikipedia and on the MacTutor History of Mathematics archive: * http://en.wikipedia.org/wiki/Leonhard_Euler * http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Euler.html

There is also this excellent article by Robin Wilson in "Plus" magazine.

* http://plus.maths.org/issue42/features/wilson/index.html

See also the Wikipedia article: * http://en.wikipedia.org/wiki/List_of_topics_named_after_Leonhard_Euler ---- !! Footnote Euler is also a Ph.D. supervisor ancestor of ColinWright, something of which Colin is simultaneously proud, and embarrassed, which is an interesting trick. There is more information here: * http://www.solipsys.co.uk/new/ColinsMathematicalAncestry.html

(He is also a supervisory ancestor of GarethMcCaughan, another contributor here.)